Friday Pop Quiz #307
The correct answer is C. HLA-DQ2.
The image, along with the vignette, describes dermatitis herpetiformis (DH). The clinical presentation is very pruritic vesicles that are grouped and located symmetrically, especially on extensor surfaces. Overlying erosions can be seen due to the intense pruritus, and it can also present as papules, urticarial lesions, tense bullae, or polymorphous lesions …